Home >> Volvo >> 1999 >> C70 2D Convertible, Standard >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Transmission Control Module (TCM) Diagnostic Trouble Code (DTC) Diagnostics - 3 Of 3 (Convertible) >> TCM-122: Control Module. Internal Fault (Aw55-50/51SN; 2001-2004) >> Diagnostic trouble code information